Chapter 5: Subsystem Maintenance
Controller Module Maintenance
5-5
Figure 5-1: Loosen Controller Module Retention Screws
Step 4.
Pull the Controller module Out
– Once the retention screw have been loosened,
open the rear flap and gently pull the controller module out of the ES U16U
chassis.
Step 5.
Remove the (optional) BBU
– If a BBU has been previously installed on the
controller module, remove both the BBU and the battery charger board. For
further details please refer to
Section 5.3.4
.
Step 6.
Remove the DIMM Module
– If the currently installed DIMM module will be
used on the new controller board then it must be removed from the board that is
being discarded. For further details please refer to
Section 5.3.5
.
Step 7.
Reinstall the DIMM Module
– Install the DIMM module into the new controller
module. For further details please refer to
Section 5.3.5
.
Step 8.
Reinstall the BBU and Charger Board
– If an optional BBU with a charger
board was previously stored in the old controller module, reinstall both the BBU
and the charger board in the new controller module now. For further details
please refer to
Section 5.3.4
.
Step 9.
Install the new controller module
– Once the DIMM module and the optional
BBU has been installed in to the controller module, insert the new controller
module into the controller bay at the rear of the subsystem. Once the controller
module has been completely inserted into the ES U16U enclosure, secure the
controller module to the enclosure by tightening the hand screws at the top of
the controller rear panel.
